Calcul Mental
27/02/2026
MiCetF
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11 s.
Ajouter ou retrancher un nombre du type 10, 200...
0 s.
487 + 300 =
395 - 20 =
112 + 800 =
278 - 70 =
768 - 20 =
84 + 400 =
320 + 60 =
522 + 40 =
138 - 80 =
483 + 30 =
80 - 20 =
463 - 50 =
66 + 30 =
14 + 200 =
355 + 600 =
528 + 100 =
365 + 20 =
103 - 30 =
99 + 800 =
356 - 40 =
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